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<?php |
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/* |
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Plugin Name: Category Posts Widget |
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Plugin URI: https://wordpress.org/plugins/category-posts/ |
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Description: Adds a widget that shows the most recent posts from a single category. |
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Author: Mrinal Kanti Roy |
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Version: 4.0 |
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Author URI: http://profiles.wordpress.org/mkrdip/ |
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*/ |
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|
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// Don't call the file directly |
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if ( !defined( 'ABSPATH' ) ) exit; |
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|
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/** |
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* Register our styles |
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* |
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* @return void |
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*/ |
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add_action( 'wp_enqueue_scripts', 'category_posts_widget_styles' ); |
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|
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function category_posts_widget_styles() { |
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wp_register_style( 'category-posts', plugins_url( 'category-posts/cat-posts.css' ) ); |
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wp_enqueue_style( 'category-posts' ); |
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} |
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|
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/** |
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* Register thumbnail sizes. |
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* |
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* @return void |
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*/ |
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function category_posts_add_image_size(){ |
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$sizes = get_option('mkrdip_cat_post_thumb_sizes'); |
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|
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if ( $sizes ){ |
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foreach ( $sizes as $id=>$size ) { |
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add_image_size( 'cat_post_thumb_size' . $id, $size[0], $size[1], true ); |
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} |
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} |
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} |
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|
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add_action( 'init', 'category_posts_add_image_size' ); |
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|
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|
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/** |
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* Category Posts Widget Class |
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* |
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* Shows the single category posts with some configurable options |
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*/ |
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class CategoryPosts extends WP_Widget { |
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|
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function CategoryPosts() { |
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$widget_ops = array('classname' => 'cat-post-widget', 'description' => __('List single category posts')); |
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$this->WP_Widget('category-posts', __('Category Posts'), $widget_ops); |
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} |
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|
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// Displays category posts widget on blog. |
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function widget($args, $instance) { |
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global $post; |
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$post_old = $post; // Save the post object. |
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|
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extract( $args ); |
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|
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$sizes = get_option('mkrdip_cat_post_thumb_sizes'); |
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|
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// If not title, use the name of the category. |
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if( !$instance["title"] ) { |
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$category_info = get_category($instance["cat"]); |
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$instance["title"] = $category_info->name; |
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} |
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|
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$valid_sort_orders = array('date', 'title', 'comment_count', 'rand'); |
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if ( in_array($instance['sort_by'], $valid_sort_orders) ) { |
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$sort_by = $instance['sort_by']; |
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$sort_order = (bool) isset( $instance['asc_sort_order'] ) ? 'ASC' : 'DESC'; |
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} else { |
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// by default, display latest first |
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$sort_by = 'date'; |
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$sort_order = 'DESC'; |
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} |
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|
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// Get array of post info. |
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$cat_posts = new WP_Query( |
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"showposts=" . $instance["num"] . |
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"&cat=" . $instance["cat"] . |
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"&orderby=" . $sort_by . |
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"&order=" . $sort_order |
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); |
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|
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// Excerpt length filter |
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$new_excerpt_length = create_function('$length', "return " . $instance["excerpt_length"] . ";"); |
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if ( $instance["excerpt_length"] > 0 ) |
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add_filter('excerpt_length', $new_excerpt_length); |
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|
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echo $before_widget; |
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|
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// Widget title |
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echo $before_title; |
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if( isset( $instance["title_link"] ) ) |
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echo '<a href="' . get_category_link($instance["cat"]) . '">' . $instance["title"] . '</a>'; |
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else |
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echo $instance["title"]; |
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echo $after_title; |
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|
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// Post list |
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echo "<ul>\n"; |
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|
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while ( $cat_posts->have_posts() ) |
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{ |
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$cat_posts->the_post(); |
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?> |
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<li class="cat-post-item"> |
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<a class="post-title" href="<?php the_permalink(); ?>" rel="bookmark" title="Permanent link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a> |
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|
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|
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<?php if ( isset( $instance['date'] ) ) : ?> |
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<p class="post-date"><?php the_time("j M Y"); ?></p> |
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<?php endif; ?> |
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|
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<?php |
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if ( |
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function_exists('the_post_thumbnail') && |
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current_theme_supports("post-thumbnails") && |
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isset( $instance["thumb"] ) && |
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has_post_thumbnail() |
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) : |
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?> |
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<a href="<?php the_permalink(); ?>" title="<?php the_title_attribute(); ?>"> |
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<?php the_post_thumbnail( 'cat_post_thumb_size'.$this->id ); ?> |
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</a> |
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<?php endif; ?> |
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|
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<?php if ( isset( $instance['excerpt'] ) ) : ?> |
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<?php the_excerpt(); ?> |
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<?php endif; ?> |
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|
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<?php if ( isset( $instance['comment_num'] ) ) : ?> |
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<p class="comment-num">(<?php comments_number(); ?>)</p> |
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<?php endif; ?> |
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</li> |
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<?php |
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} |
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|
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echo "</ul>\n"; |
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|
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echo $after_widget; |
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|
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remove_filter('excerpt_length', $new_excerpt_length); |
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|
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wp_reset_postdata(); |
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|
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} |
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|
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/** |
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* Update the options |
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* |
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* @param array $new_instance |
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* @param array $old_instance |
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* @return array |
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*/ |
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function update($new_instance, $old_instance) { |
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$sizes = get_option('mkrdip_cat_post_thumb_sizes'); |
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|
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if ( !$sizes ) { |
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$sizes = array(); |
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} |
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|
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$sizes[$this->id] = array($new_instance['thumb_w'], $new_instance['thumb_h']); |
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update_option('mkrdip_cat_post_thumb_sizes', $sizes); |
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|
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return $new_instance; |
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} |
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|
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/** |
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* The widget configuration form back end. |
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* |
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* @param array $instance |
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* @return void |
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*/ |
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function form($instance) { |
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$instance = wp_parse_args( ( array ) $instance, array( |
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'title' => __( '' ), |
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'cat' => __( '' ), |
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'num' => __( '' ), |
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'sort_by' => __( '' ), |
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'asc_sort_order' => __( '' ), |
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'title_link' => __( '' ), |
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'excerpt' => __( '' ), |
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'excerpt_length' => __( '' ), |
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'comment_num' => __( '' ), |
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'date' => __( '' ), |
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'thumb' => __( '' ), |
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'thumb_w' => __( '' ), |
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'thumb_h' => __( '' ) |
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) ); |
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|
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$title = $instance['title']; |
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$cat = $instance['cat']; |
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$num = $instance['num']; |
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$sort_by = $instance['sort_by']; |
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$asc_sort_order = $instance['asc_sort_order']; |
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$title_link = $instance['title_link']; |
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$excerpt = $instance['excerpt']; |
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$excerpt_length = $instance['excerpt_length']; |
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$comment_num = $instance['comment_num']; |
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$date = $instance['date']; |
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$thumb = $instance['thumb']; |
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$thumb_w = $instance['thumb_w']; |
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$thumb_h = $instance['thumb_h']; |
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|
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?> |
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<p> |
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<label for="<?php echo $this->get_field_id("title"); ?>"> |
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<?php _e( 'Title' ); ?>: |
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<input class="widefat" id="<?php echo $this->get_field_id("title"); ?>" name="<?php echo $this->get_field_name("title"); ?>" type="text" value="<?php echo esc_attr($instance["title"]); ?>" /> |
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</label> |
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</p> |
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|
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<p> |
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<label> |
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<?php _e( 'Category' ); ?>: |
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<?php wp_dropdown_categories( array( 'name' => $this->get_field_name("cat"), 'selected' => $instance["cat"] ) ); ?> |
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</label> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id("num"); ?>"> |
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<?php _e('Number of posts to show'); ?>: |
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<input style="text-align: center;" id="<?php echo $this->get_field_id("num"); ?>" name="<?php echo $this->get_field_name("num"); ?>" type="text" value="<?php echo absint($instance["num"]); ?>" size='3' /> |
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</label> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id("sort_by"); ?>"> |
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<?php _e('Sort by'); ?>: |
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<select id="<?php echo $this->get_field_id("sort_by"); ?>" name="<?php echo $this->get_field_name("sort_by"); ?>"> |
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<option value="date"<?php selected( $instance["sort_by"], "date" ); ?>>Date</option> |
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<option value="title"<?php selected( $instance["sort_by"], "title" ); ?>>Title</option> |
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<option value="comment_count"<?php selected( $instance["sort_by"], "comment_count" ); ?>>Number of comments</option> |
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<option value="rand"<?php selected( $instance["sort_by"], "rand" ); ?>>Random</option> |
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</select> |
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</label> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id("asc_sort_order"); ?>"> |
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<input type="checkbox" class="checkbox" |
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id="<?php echo $this->get_field_id("asc_sort_order"); ?>" |
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name="<?php echo $this->get_field_name("asc_sort_order"); ?>" |
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<?php checked( (bool) $instance["asc_sort_order"], true ); ?> /> |
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<?php _e( 'Reverse sort order (ascending)' ); ?> |
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</label> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id("title_link"); ?>"> |
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<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("title_link"); ?>" name="<?php echo $this->get_field_name("title_link"); ?>"<?php checked( (bool) $instance["title_link"], true ); ?> /> |
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<?php _e( 'Make widget title link' ); ?> |
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</label> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id("excerpt"); ?>"> |
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<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("excerpt"); ?>" name="<?php echo $this->get_field_name("excerpt"); ?>"<?php checked( (bool) $instance["excerpt"], true ); ?> /> |
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<?php _e( 'Show post excerpt' ); ?> |
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</label> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id("excerpt_length"); ?>"> |
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<?php _e( 'Excerpt length (in words):' ); ?> |
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</label> |
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<input style="text-align: center;" type="text" id="<?php echo $this->get_field_id("excerpt_length"); ?>" name="<?php echo $this->get_field_name("excerpt_length"); ?>" value="<?php echo $instance["excerpt_length"]; ?>" size="3" /> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id("comment_num"); ?>"> |
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<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("comment_num"); ?>" name="<?php echo $this->get_field_name("comment_num"); ?>"<?php checked( (bool) $instance["comment_num"], true ); ?> /> |
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<?php _e( 'Show number of comments' ); ?> |
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</label> |
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</p> |
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|
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<p> |
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<label for="<?php echo $this->get_field_id("date"); ?>"> |
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<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("date"); ?>" name="<?php echo $this->get_field_name("date"); ?>"<?php checked( (bool) $instance["date"], true ); ?> /> |
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<?php _e( 'Show post date' ); ?> |
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</label> |
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</p> |
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|
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<?php if ( function_exists('the_post_thumbnail') && current_theme_supports("post-thumbnails") ) : ?> |
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<p> |
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<label for="<?php echo $this->get_field_id("thumb"); ?>"> |
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<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id("thumb"); ?>" name="<?php echo $this->get_field_name("thumb"); ?>"<?php checked( (bool) $instance["thumb"], true ); ?> /> |
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<?php _e( 'Show post thumbnail' ); ?> |
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</label> |
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</p> |
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<p> |
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<label> |
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<?php _e('Thumbnail dimensions (in pixels)'); ?>:<br /> |
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<label for="<?php echo $this->get_field_id("thumb_w"); ?>"> |
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Width: <input class="widefat" style="width:30%;" type="text" id="<?php echo $this->get_field_id("thumb_w"); ?>" name="<?php echo $this->get_field_name("thumb_w"); ?>" value="<?php echo $instance["thumb_w"]; ?>" /> |
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</label> |
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|
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<label for="<?php echo $this->get_field_id("thumb_h"); ?>"> |
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Height: <input class="widefat" style="width:30%;" type="text" id="<?php echo $this->get_field_id("thumb_h"); ?>" name="<?php echo $this->get_field_name("thumb_h"); ?>" value="<?php echo $instance["thumb_h"]; ?>" /> |
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</label> |
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</label> |
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</p> |
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<?php endif; ?> |
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|
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<?php |
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|
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} |
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|
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} |
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|
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add_action( 'widgets_init', create_function('', 'return register_widget("CategoryPosts");') ); |
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|
